On 31 March 2023, Khonumthung Burmese claimed that the Myanmar military carried out air attacks with a Mi-35 helicopter during a battle which took place near Pyin Taw U village in the north Kale township. A clash between the Myanmar military and PDFs reportedly ensued between the villages of Pyin Taw U and Nan Saung Pu. As a result of the clashes, residents of Pyin Taw U, Let Pan Chaung, Myauk Chaw Taw, and Chan Thar Gyi villages were forced to flee.